we don't want the reader to see every line every time. Here's what we put in
our source code:
-```text
- First, we set `x` to five:
+``````markdown
+First, we set `x` to five:
- ```
- let x = 5;
- # let y = 6;
- # println!("{}", x + y);
- ```
+```
+let x = 5;
+# let y = 6;
+# println!("{}", x + y);
+```
- Next, we set `y` to six:
+Next, we set `y` to six:
- ```
- # let x = 5;
- let y = 6;
- # println!("{}", x + y);
- ```
+```
+# let x = 5;
+let y = 6;
+# println!("{}", x + y);
+```
- Finally, we print the sum of `x` and `y`:
+Finally, we print the sum of `x` and `y`:
- ```
- # let x = 5;
- # let y = 6;
- println!("{}", x + y);
- ```
```
+# let x = 5;
+# let y = 6;
+println!("{}", x + y);
+```
+``````
By repeating all parts of the example, you can ensure that your example still
compiles, while only showing the parts that are relevant to that part of your